JPS62146130U - - Google Patents
Info
- Publication number
- JPS62146130U JPS62146130U JP1986034857U JP3485786U JPS62146130U JP S62146130 U JPS62146130 U JP S62146130U JP 1986034857 U JP1986034857 U JP 1986034857U JP 3485786 U JP3485786 U JP 3485786U JP S62146130 U JPS62146130 U JP S62146130U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical path
- illumination optical
- reflector
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 8
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02845—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
- H04N1/0286—Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array in combination with a light integrating, concentrating or defusing cavity
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/54—Lamp housings; Illuminating means
- G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
- H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
- H04N1/02895—Additional elements in the illumination means or cooperating with the illumination means, e.g. filters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986034857U JPH0443860Y2 (fi) | 1986-03-11 | 1986-03-11 | |
US07/022,821 US4728995A (en) | 1986-03-11 | 1987-03-06 | Device for adjusting exposure amount |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986034857U JPH0443860Y2 (fi) | 1986-03-11 | 1986-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62146130U true JPS62146130U (fi) | 1987-09-16 |
JPH0443860Y2 JPH0443860Y2 (fi) | 1992-10-16 |
Family
ID=12425845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986034857U Expired JPH0443860Y2 (fi) | 1986-03-11 | 1986-03-11 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4728995A (fi) |
JP (1) | JPH0443860Y2 (fi) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012110000A (ja) * | 2011-12-26 | 2012-06-07 | Ricoh Co Ltd | 照明装置、画像読取装置、画像形成装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01167777A (ja) * | 1987-12-23 | 1989-07-03 | Minolta Camera Co Ltd | 複写機 |
US5191328A (en) * | 1990-06-13 | 1993-03-02 | Donald L. Gambill | Trailer hitching aid and method using reception delay of different velocity signals |
TW527817B (en) * | 2000-08-11 | 2003-04-11 | Canon Kk | Image sensor and image reading apparatus |
JP5071495B2 (ja) * | 2010-03-04 | 2012-11-14 | ウシオ電機株式会社 | 光源装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4142549A (en) * | 1977-09-19 | 1979-03-06 | The B. F. Goodrich Company | Relief valve |
US4257086A (en) * | 1979-10-22 | 1981-03-17 | Koehler Manufacturing Company | Method and apparatus for controlling radiant energy |
US4333130A (en) * | 1980-02-28 | 1982-06-01 | Canon Kabushiki Kaisha | Slit illuminating device |
JPS5971342U (ja) * | 1982-11-04 | 1984-05-15 | シャープ株式会社 | 光量調整装置 |
-
1986
- 1986-03-11 JP JP1986034857U patent/JPH0443860Y2/ja not_active Expired
-
1987
- 1987-03-06 US US07/022,821 patent/US4728995A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012110000A (ja) * | 2011-12-26 | 2012-06-07 | Ricoh Co Ltd | 照明装置、画像読取装置、画像形成装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0443860Y2 (fi) | 1992-10-16 |
US4728995A (en) | 1988-03-01 |